Suitable for side expansion processing of Tee pipe fitting and Cro ipe fitting.
适合三通四通管件侧孔的预胀型加工。
Suitable for side expansion processing of Tee pipe fitting and Cross pipe fitting.
适合三通四通管件侧孔的预胀型加工。
The necessing of expansion processing for CIF format files in mask making is demonstrated.
阐述对CIF 格式文件进行展开处理在制版工作中的必要性;
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